Finding the Fourth Proportional to 4,999,167,765.99, 7,498,736,702.06 and 1,268,451,945.99
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Solution
The fourth proportional to 4,999,167,765.99, 7,498,736,702.06 and 1,268,451,945.99 is: 1,902,674,126.46
Step by Step Solution
- Step 1: Write the proportion equation
4,999,167,765.99 : 7,498,736,702.06 = 1,268,451,945.99 : x - Step 2: Convert to fraction form
4,999,167,765.99/7,498,736,702.06 = 1,268,451,945.99/x - Step 3: Cross multiply
4,999,167,765.99x = 7,498,736,702.06 × 1,268,451,945.99 - Step 4: Simplify right side
4,999,167,765.99x = 9,511,787,162,188,300,288 - Step 5: Solve for x
x = 9,511,787,162,188,300,288/4,999,167,765.99 - Step 6: Final answer
x = 1,902,674,126.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.